/Engine/Source/Runtime/Core/Public/Async/EventCount.h
Wait until the event is notified. Returns immediately if notified since the token was acquired.
True if the event was notified before the wait time elapsed, otherwise false.
bool WaitUntil ( [TEventCountToken](API\Runtime\Core\Async\TEventCountToken)< CounterType > Compare, [FMonotonicTimePoint](API\Runtime\Core\Misc\FMonotonicTimePoint) WaitTime )